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1. A spherical gas container, 52 ft in diameter, is to hold gas at a pressure of 50 psi. Calculate the thickness of the steel wall required. The allowable tensile stress is 20,000 psi.
2. Calculate the tensile stresses (circumferential and longitudinal) developed in the walls of a cylindrical pressure vessel. The inside diameter is 18 in. The wall thickness is 1 4 in. The vessel is subjected to an internal gage pressure of 300 psi and a simultaneous external axial tensile load of 50,000 lb.
Performing simple calculations and analysis on the collected data and comparing these values to theoretical predictions - provide a general indication of the performance of a 4 stroke petrol engine, and involves applying incrementally increasing lo..
What forces act on a person walking on a level roadway? If that person walks on a level belt of a treadmill, what forces act on that person? Which activity takes more effort?
parallel plates form a solar collector that covers a roof with a 4m long plates and 1m between plates. the plates are
You were power-washing your deck and accidentally knocked over a pot of flowers. The flowerpot is cubic in shape, each side 30 cm in length. The outlet of the power-washer is 20 mm in diameter, and according the manual, the water exits at a velocit..
Two round, 3cm diameter bars are made of SAE 1030HR (hot-rolled) steel but are different lengths (15 cm and 60 cm, respectively). Compare the load supporting capability of the three bars if they are loaded in compression and the ends are assumed to b..
Just upstream of a normal shock in an airflow, Ma = 3.0, T = 600 °R, and p = 30 psia. Estimate values of Ma, T0, T, p0, p, and V downstream of the shock.
neglecting the effects of radiation absorption emission and scattering within their atmospheres calculate the average
Sketch and label velocity triangles for the flow entering and leaving the rotor row. Use V for absolute velocity, W for relative velocity, and U for blade velocity. Assume flow enters and leaves each blade row at the blade angles shown.
The electrical conductivity of the pipe ke is constant over the temperature range of interest. The local rate of electrical heat production Se is then uniform throughout the pipe wall.
Find the tension on T1, T2 and T3.
a four-cylinder two-stroke 2.0-l diesel engine that operates on an ideal diesel cycle has a compression ratio of 22 and
A steel alloy to be used for a spring application must have a modulus of resilience of at least 2.07 MPa (300 psi). What must be its minimum yield strength?
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